22154522160530 has 8 divisors (see below), whose sum is σ = 39878139888972. Its totient is φ = 8861808864208.

The previous prime is 22154522160481. The next prime is 22154522160557. The reversal of 22154522160530 is 3506122545122.

It can be written as a sum of positive squares in 2 ways, for example, as 21013156848121 + 1141365312409 = 4584011^2 + 1068347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22154522160530² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107726108017 + ... + 1107726108036.

Almost surely, 2^{22154522160530} is an apocalyptic number.

22154522160530 is a deficient number, since it is larger than the sum of its proper divisors (17723617728442).

22154522160530 is a wasteful number, since it uses less digits than its factorization.

22154522160530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215452216060.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 22154522160530 in words is "twenty-two trillion, one hundred fifty-four billion, five hundred twenty-two million, one hundred sixty thousand, five hundred thirty".